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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.248 27 Aug 2026

Reads can now say the working copy is live and verified

Under the hood

Useful2 Signal3

Artifacts

Reads can now report a document as live and verified with its sequence number.

What

File listings can mark individual files as live, and a read of one reports live, live_verified when the fetched document was checked, and its sequence number. A verified live read is no longer flagged as_served, so it is no longer reported as differing from the published bytes.

Details

The read telemetry event gained a doc_verified field.
Whether a file is marked live or verified is decided by the server, not by anything set in this build.

Evidence

...(He.docVerified && { live_verified: !0 }),

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.248 →